Electricity metering equipment (a.c.) - Particular requirements - Part 11: Electromechanical meters for active energy (classes 0.5, 1 and 2) (IEC 62053-11:2003 + A1:2016); German version EN 62053-11:2003 + A1:2017
电能计量设备(交流).特殊要求.第11部分:有功电能机电表(0.5、1和2级)(IEC 62053-11-2003+A1-2016);德文版EN 62053-11:2003+A1:2017